Possible Clues:

• River spanned by the Bagnell Dam
• American people love someone who's wise
• County in Kansas, Missouri or Oklahoma
• Amerindian not starting a quantity of medicine
• Kind of orange
• American Indian
• It flows into the Missouri near Jefferson City
• Missouri tribe; go sea (anag.)
• Indian goes wild, capturing Apaches' chief
• Maria Tallchief, for one